1-Day-Price-Prediction
-1.3%
1-Week Prediction
+0.11%
1-Month Prediction
+4.72%
2026 Prediction
-10.28%
2030 Prediction
+199.55%
Based on our advanced algorithm, we predict that PTGX stock price will experience significant movement in the coming periods. Our 1-day prediction estimates a price of $81.2, while the 1-week outlook suggests a value of $82.36. For the 1-month forecast, we project a price of $86.15. Looking further ahead, our 2026 projection estimates a value of $73.81, with a long-term 2030 forecast reaching $246.44. Stay informed and make strategic decisions with our data-driven insights!
Should I Buy Protagonist Therapeutics Inc Stock?
Based on our evaluation of the five key dimensions—Technical Signals, Moving Average trends, Short Sell Data, Similar Chart Pattern Matching and Seasonality Analysis—we have identified the following insights. PTGX has several positive signals and is within a rising trend, so we believe it will perform strongly in the next couple of days or weeks. We therefore hold a positive evaluation of this stock. Our analysis conclusion for this stock is a Strong Buy candidate.
PTGX stock price ended at $80.51 on Wednesday, after losing -2.14%
The Protagonist Therapeutics Inc stock price decreased by -2.14% on the last trading day (07 Jan 2026), dropping from 83.25 to 82.27. Throughout the last trading session, the stock experienced a fluctuation of 4.08% , ranging from a day low of $81.67 to a day high of 85. The price has declined in 6 of the last 10 days, resulting in a total change of -4.39% during this period. On the last day, trading volume increase by -297.03K shares, with the falling prices. This could serve as an early warning, indicating that risk may slightly increase in the coming days. In total, 731.15K shares were traded, amounting to approximately 60.63M.
PTGX Technical Signals
PTGX(Protagonist Therapeutics Inc Corp) has 4 buy signals and 4 sell signals now. The current trend is an uptrend starting from 2025-12-18. The total price change during this trend is -6.20%. Recently, the price has dropped while volume droped, indicating a potential rebound signal. The average turnover of PTGX over the last 5 trading days is 61.22M. Overall, the technical indicator signals lean more toward a Neutral outlook in the mid-term.
PTGX Moving Average Analysis
Protagonist Therapeutics Inc's overall moving average trend leans more bearish as of Wednesday, January 7, 2026, with 2 negative signals and 2 positive signal. In the mid-term, the SMA_20 being above the SMA_60 signals a strong bullish trend. There will be some resistance from the lines at $91.84, and $95.97. A break-up above any of these levels will issue buy signals. There will be some support from the lines at $78.48, and $74.35. A break-down below any of these levels will issue sell signals.
PTGX Short Selling Analysis
The short sale ratio of Protagonist Therapeutics Inc(PTGX) as of 10 Dec 2025 is 12.62%, dropping from last trading day. With decreasing price from 88.56 to 91.38. The short sell activity indicate that short sellers may be experiencing short cover.
Technical Signal
Technical Signals Summary
Sell
4
Buy
4
Moving Average
Swing
NegativeStock Price Below SMA_5
Short Term
NegativeSMA_5 Below SMA_20
Mid Term
PositiveSMA_20 Above SMA_60
Long Term
PositiveSMA_60 Above SMA_200
Short Selling
Close Price
Short Sale Ratio
Short Sale Volume
4 Bullish Signals
When Value satisfies Signal, Indicator signals Bullish
4 Bearish Signals
When Value satisfies Signal, Indicator signals Bearish
PTGX Stock Forecast
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
In 2026, Protagonist Therapeutics Inc (PTGX) is anticipated to change hands in a trading channel between $39.34 and $90.62.
Protagonist Therapeutics Inc Stock Forecast 2026
Jan 2026: PTGX Stock Forecast
Potential ROI: 61.33%
In Jan 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $73.81. The price is predicted to fluctuate between a low of $62.07 and a high of $81.73.
Feb 2026: PTGX Stock Forecast
Potential ROI: 27.26%
In Feb 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $58.22. The price is predicted to fluctuate between a low of $53.07 and a high of $64.80.
Mar 2026: PTGX Stock Forecast
Potential ROI: 40.52%
In Mar 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $64.29. The price is predicted to fluctuate between a low of $60.08 and a high of $77.10.
Apr 2026: PTGX Stock Forecast
Potential ROI: 51.26%
In Apr 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $69.20. The price is predicted to fluctuate between a low of $55.01 and a high of $80.49.
May 2026: PTGX Stock Forecast
Potential ROI: 44.02%
In May 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $65.89. The price is predicted to fluctuate between a low of $55.42 and a high of $82.51.
Jun 2026: PTGX Stock Forecast
Potential ROI: 67.34%
In Jun 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $76.56. The price is predicted to fluctuate between a low of $70.37 and a high of $77.67.
Jul 2026: PTGX Stock Forecast
Potential ROI: 62.33%
In Jul 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $74.26. The price is predicted to fluctuate between a low of $67.16 and a high of $80.54.
Aug 2026: PTGX Stock Forecast
Potential ROI: 67.34%
In Aug 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $76.56. The price is predicted to fluctuate between a low of $74.17 and a high of $87.73.
Sep 2026: PTGX Stock Forecast
Potential ROI: 21.97%
In Sep 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $55.80. The price is predicted to fluctuate between a low of $39.34 and a high of $57.29.
Oct 2026: PTGX Stock Forecast
Potential ROI: 40.01%
In Oct 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $64.05. The price is predicted to fluctuate between a low of $49.63 and a high of $72.45.
Nov 2026: PTGX Stock Forecast
Potential ROI: 66.23%
In Nov 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $76.05. The price is predicted to fluctuate between a low of $61.01 and a high of $90.62.
Dec 2026: PTGX Stock Forecast
Potential ROI: 21.92%
In Dec 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $55.78. The price is predicted to fluctuate between a low of $40.24 and a high of $69.30.
PTGX Price Prediction & Forecast by Similar Chart Analysis
Based on historical patterns and backtesting of stocks with similar movements to Protagonist Therapeutics Inc(PTGX), our algorithm predicts PTGX's 1-month price at $81.59, with an -8.1%downwardshift. Using a similarity score up to 92.91%and other factors, This forecast updates weekly, adjusting for significant deviations.
Similar Chart
The price prediction chart for Protagonist Therapeutics Inc (PTGX.O) stock, as of Sunday, December 28, 2025 , forecasts a -8.1% change over the next month, based on its high correlation with TDC.N stock patterns. The similarity between their price movements over the analyzed periods is 92.91%. The right panel lists other stocks with similar price patterns. This prediction is updated every week.
PTGX
No data
TDC
Down: -8.1%Similarity: 92.91%
PTGX Seasonality Analysis
Based on PTGX's historical stock price data across all years, the probability of a positive return in January is60.00%, suggesting it maybe an ideal month to invest in PTGX. In contrast,Juneoffers the highest probability of positive returns at77.78%, making it a potentially strong month for investment.
However, this is only a prediction based on one method, and a comprehensive assessment of the stock's future trend should consider additional factors. Our final stock price commentary incorporates three main evaluation dimensions: technical signals, Moving Average trends, and similar chart pattern matching, with the first two dimensions carrying the primary weight to ensure a more robust and accurate forecast.
Monthly Seasonality
The radar chart shows that buying Protagonist Therapeutics Inc (PTGX.O) stock in June has the highest probability of a positive return (77.78%), while April has the lowest probability (22.22%).
Performance Seasonality
The chart shows Protagonist Therapeutics Inc. (PTGX)'s annual stock price return for the past three years, helping you analyze price trends and identify recurring trends on an annual basis.
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Frequently Asked Questions
Should I buy Protagonist Therapeutics Inc (PTGX.O) stock?
Based on our evaluation of the five key dimensions—Technical Signals, Moving Average trends, Short Sell Data, Similar Chart Pattern Matching and Seasonality Analysis—we have identified the following insights. PTGX has several positive signals and is within a rising trend, so we believe it will perform strongly in the next couple of days or weeks. We therefore hold a positive evaluation of this stock. Our analysis conclusion for this stock is a Strong Buy candidate.
Which months have the highest win rate for buying Protagonist Therapeutics Inc (PTGX.O) stock in a year?
The radar chart shows that buying Protagonist Therapeutics Inc (PTGX.O) stock in June has the highest probability of a positive return (77.78%), while April has the lowest probability (22.22%).
How has Protagonist Therapeutics Inc. (PTGX)'s stock price performed over the past three years?
PTGX's stock price rose by 64.82% in 2024,increased by 124.06% in 2025, and went down by 7.65%in 2026.
Which bullish technical signals does PTGX have?
Bullish technical signals of PTGX include: STOCHk_14_3_3 < 20, CCI_20_0.015 < -100, STOCHRSIk_14_14_3_3 < 20, WILLR_14 < -80.
Which bearish technical signals does PTGX have?
Bearish technical signals of PTGX include: AO_5_34 < 0, MOM_10 < 0, MACD_12_26_9 < 0, close < fibonacci_S1.
Is PTGX a buy based on overall technical signals summary?
PTGX has 4 buy signals and 4 sell signals now. Overall the technical rating for PTGX is Neutral . Note that market conditions change all the time. In addition to technical ratings, keep an eye on the Valuation Level of PTGX.
What is the trend of Protagonist Therapeutics Inc (PTGX)'s moving average?
Protagonist Therapeutics Inc's overall moving average trend leans more bearish as of January 07 2026, with 2 negative signals and 2 positive signal.
What is price prediction for PTGX stock next month?
The price prediction chart for Protagonist Therapeutics Inc (PTGX.O) stock, as of December 28 2025, forecasts a -8.1% change over the next month, based on its high correlation with TDC stock patterns. The similarity between their price movements over the analyzed periods is 92.91%. The right panel lists other stocks with similar price patterns. This prediction is updated every week.
What is price prediction 2026 for Protagonist Therapeutics Inc (PTGX) Stock?
In Dec 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $55.78. The price is predicted to fluctuate between a low of $40.24 and a high of $69.30.
What is price prediction 2030 for Protagonist Therapeutics Inc (PTGX) Stock?
In Dec 2030, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $213.71. The price is predicted to fluctuate between a low of $200.76 and a high of $245.37.